Search a number
-
+
10220120200 = 235251100601
BaseRepresentation
bin10011000010010101…
…01010100010001000
3222101020221220021101
421201022222202020
5131412322321300
64410044351144
7511156405543
oct114112524210
928336856241
1010220120200
114374a9a634
121b928454b4
13c6b49a804
146cd4a185a
153ec38db6a
hex2612aa888

10220120200 has 24 divisors (see below), whose sum is σ = 23761779930. Its totient is φ = 4088048000.

The previous prime is 10220120191. The next prime is 10220120203. The reversal of 10220120200 is 202102201.

It can be written as a sum of positive squares in 3 ways, for example, as 4552740676 + 5667379524 = 67474^2 + 75282^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10220120203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25550101 + ... + 25550500.

Almost surely, 210220120200 is an apocalyptic number.

10220120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220120200 is an abundant number, since it is smaller than the sum of its proper divisors (13541659730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10220120200 is a wasteful number, since it uses less digits than its factorization.

10220120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51100617 (or 51100608 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10220120200 its reverse (202102201), we get a palindrome (10422222401).

The spelling of 10220120200 in words is "ten billion, two hundred twenty million, one hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 51100601 102201202 204402404 255503005 408804808 511006010 1022012020 1277515025 2044024040 2555030050 5110060100 10220120200